Transcription of Integrated Power Factor Correction (PFC) and Sensorless ...
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Integrated Power Factor Correction (PFC) and Sensorless ...
2008 Microchip Technology 1AN1208 INTRODUCTION In recent years, the motor control industry has beenfocusing on designing Power efficient motor controldrives for a wide variety of applications. The consumerdemand for improved Power quality standards is drivingthis trend. The Power quality can be enhanced byimplementing Power Factor Correction (PFC), andefficient control of a motor can be realized usingSensorless Field Oriented Control (FOC) appliance industry often requires low-costimplementation of these algorithms. This can beachieved by integrating PFC and Sensorless FOCalgorithms on a single Digital Signal Controller (DSC). This application note describes the process ofintegrating two complex applications: PFC and Sensor-less FOC.
2008 Microchip Technology Inc. DS01208A-page 3 AN1208 A NOVEL APPROACH FOR DIGITAL IMPLEMENTATION OF PFC AND SENSORLESS FOC ALGORITHMS Figure 2 shows a block diagram of the PFC and Sensorless FOC control loops implemented digitally using the dsPIC DSC device.
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